Home / 4,289.04-5,913.57-3,449.78

Finding the Fourth Proportional to 4,289.04, 5,913.57 and 3,449.78

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Solution

The fourth proportional to 4,289.04, 5,913.57 and 3,449.78 is: 4,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.04 : 5,913.57 = 3,449.78 : x
  2. Step 2: Convert to fraction form
    4,289.04/5,913.57 = 3,449.78/x
  3. Step 3: Cross multiply
    4,289.04x = 5,913.57 × 3,449.78
  4. Step 4: Simplify right side
    4,289.04x = 20,400,515.51
  5. Step 5: Solve for x
    x = 20,400,515.51/4,289.04
  6. Step 6: Final answer
    x = 4,756.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.